Heater



FIG. 1 is a front side perspective view of my new design for a heater.

FIG. 2 is a back side perspective view of FIG. 1.

FIG. 3 is a front side elevation view of FIG. 1.

FIG. 4 is a back side elevation view of FIG. 1.

FIG. 5 is a bottom side plan view of FIG. 1.

FIG. 6 is a top side plan view of FIG. 1; and,

FIG. 7 is a right side elevation view of FIG. 1, the left elevation view being a mirror image thereof. 

CLAIM The ornamental design for a heater, as shown and described. 